Lamp



FIG. 1 is a front view of a first embodiment of the lamp;

FIG. 2 is a back view of the first embodiment;

FIG. 3 is a right-hand side view of the first embodiment;

FIG. 4 is a left-hand side view of the first embodiment;

FIG. 5 is a top view of the first embodiment; and,

FIG. 6 is a bottom view of the first embodiment. 

The ornamental design for a lamp, as shown. 